Ability to adjust notifications for entire account


We've just launched HubSpot for a client that is using it to manage deals for their own internal sales network as well as a network of distributors. Because of some workflows we've had to set up for when a contact owner is changed, it results in the rep getting three email notifications: 1 saying new contact assigned, 1 saying who assigned it to them and then one related to the releveant assigned deal. It feels a bit much and we would love to be able to adjust what notifications users get or don't get on a total account level.